Subtract 40/6 from 28/8
1st number: 3 4/8, 2nd number: 6 4/6
28/8 - 40/6 is -19/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 6 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
28/8 = 28 × 3/8 × 3 = 84/24 - Likewise, for the 2nd fraction, since 6 × 4 = 24,
40/6 = 40 × 4/6 × 4 = 160/24 - Subtract the two like fractions:
84/24 - 160/24 = 84 - 160/24 = -76/24 - After reducing the fraction, the answer is -19/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-40/6 28/8-80/6 28/16-40/6 28/8-40/12 84/8-40/6 28/24-40/6 28/8-40/18 28/40-40/6 28/8-40/30 28/56-40/6 28/8-40/42